The coastal routes are pretty chill but once you start climbing into the hills the scenery gets wild. Mountains drop straight into the sea, forests everywhere, random ruins popping up where you least expect them. Grab a motorbike rental in Alanya here:
https://getrentacar.com/en-US/motorcycle-rental/turkey-alanya . Lets you cruise up to Sapadere Canyon or explore those old fortresses without dealing with bulky vehicle problems. You've got complete control, can pull off anywhere that catches your eye, and you'll actually experience the ride instead of being sealed up inside something.